MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617091409 A) filed by Nippon Steel Corporation on July 28, 2026, for Grain-Oriented Electrical Steel Sheet And Method For Forming Insulating Coating Film.
Inventors include Takeda Kazutoshi; Kataoka Takashi; Yamagata Ryutaro; and Takatani Shinsuke.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: This grain-oriented electrical steel sheet comprises a base material steel sheet and an insulating coating film that is formed on the surface of the base material steel sheet. The insulating coating film contains an iron phosphate, and the average particle size of the iron phosphate is 5-500 nm. When th...